Best available copy



C. D. PLATT.

ELECTRIC SWITCH.

APPLICATION FILED MAY 1. 91's.

Patented Mar. 16, 1920.

[3 r 'no'nnail .to be covered by affia-nge on-t e eoi er an locked-different individuals working T-he objeets of theuinvention are to proy cure the handle in the open opn, em; win a peer more mums the speci-a -fication proce, e s.'

5i] switc 0 "providedwielone o'r- I the same is locked.

5 1 Fig. 3, is; another sidef view showing 3 UNITED emme raiirreiyr OFFICE;

ELECTRIC swzrotr.

1,333,874. hpplieation filed hIay '1, 191 9. ;S;eri el1%. 294942.

switch boxl loclred indfthei switch dockedinope'n circuit positioii. 1 i q Figqi, is e-bi'okenend View of the switch box \Vlthiihfi. cover partly lifted.

The switch bok "d' body portion 5 and a To all wkomit meg concern;

Bit known that. I, CLARENCE D. rem, a; citizen'bf the United States of America; residing 'at Brid eport, Connecticut, have invented a. new ad useful Electric Switch, of. which the following is a specificetion.

" [Mypresentinvention-relates to switches 111g hingedly seen 1 the v inclosed type, and particularly to The boxv body i Providedwith Openin h locking neans therefor;

cover 6, said cover 'be-' at one coi nerof thebox.

, with a dependent vide a secure ahdfreliablefforin of "lock "for over the edge of fastening 'theisjviitehj box closed, and: further, the boi:

" at one corner with to overcome twisting thepadlockor other fastening deej box body isflfurther preferably more openings er- .d sp sed so that t be engaged and cpred b vice. open}:

adapted to receive the padon the line, any one of said adlocks serving to secircuit padlock, as indic'atedw'in Fig. 1., positiom g i The operation and useof the invention as s mply to'look thebox closed or tolock Both wellles .variousothrfeatures' ;of,eonstr1ic-' -Attenti0n is directed to the-eccoiiipany' presentdisclos e1 with-e series of openings ing drawing, wherein I have illns'tiited ny' 14, in linewith'the-opening 8 disposed above invention embodied in one firaetieel', form,

it understood thatthe: ins

onderi'enged when the entirely covered 'bv the pehpilfdilit position,

5 vention ,is susceptible of iyerioils modifica 'tions withoutdeparture from the spirit and degendentiifian scope of the inventionashereinefter defined v I, aves'liown In said drawing: "trolle Fi re -1 is a plan view of one '-'of my instance working on the circuit'fcontrolled i es with a, corner, of-the switch box by the switcln This viewillustretes the conbroken awayto disclose the manner inwhich Fig. 2 is aside View, also pir'ey'biaigee videdfwith a padlock 15, 16,17, of .whic 11 away." I holdstheonly key. Thus, when such 51 linema fi" begins 'work'on'the line, he secures his Specification o iiLet tcrs PatentL' Patent d Mar. 16, 1926.

iselosed consists of a;

red tothebox body at 7.

fnitheripro ided n. the

8 in two ofthe adjacent side walls thereof Y t feni bletllfi use, of this loekffo ecuring -Q0V61' 1'$ closed, endthisfl l provided r i it pe nlng tl "Ith6"SWiti lf 1Xl M -pre de'termined condition. 5 other olz'jeotsare to eiford faci-lities -fonencent sides thereof registering when'the cover," siblingC-ldifl'erent linemei tolockfthe switch is closed.with-thefcorner, openings in the in openIoircuitposition whilethey ere-workbox body. This featiireis. cleelrly' sbown'inl' ing on the line controlled'by th'e switcho Fig. I, and from'that view,"it will) be clea'i' F The invention consists generallyin the that when the cover is closed-the'hasp'll of 0 combination Of'fi switch box-havingemov a padlock or similarjfastening devicemay be'75 able coyei the box end-cover having regispassedthro'ugh these corner openings to terin'g openings in one .corne1' ,thereof so that cure, the cover firmly closed This manner the has' ofia padlpckiorjthe like maybe of 'fastening thecover in effect provides a. r passed t 'ough such corner-walls to thereby double lock, sin "the co'ver and box bod '25 securely fasten the cover: in closed position. are secured together. 'y means of .two -d" 8 Thefswitchjopereting handle is preferably ferentanglilarly related wells. This/serves.

streinswliich might be e apphedfto' the cover n an effort? to force the The-switch which-is illustrqtedgenerelly at 12 is operated; by an external switch han die 13, end this: hen'dle when thrown to the ozfl'f positionihesel portion dis in po 'sitlon to hezienihrhoedjkbyth;" a'sp oflthe 1 Qth'e switch-handle when said handle is in the o In Fig. 3, by e number of 'difierefit linemen for f '7 ditio'n where say three linemen are working i. on a circuit. Each of these linemen is ro- "dew 'eX:

pf the qpeni r igs in fghe w itch 'padlbck ix'x one box. This .prewentsthgswltch being clo'sed .men are s l mil'arlyfardbecwd 'each by that own lock, and o moved before. stored to"- closed -conditldn;

while he is wpiking on the'l-ing'. Other 1ip all lbckii 'be' 'imthe switch t e-h l I them i theinhaviri cornerltd register 'wiishfthe openings ini hefl dyto receive-a 50.

poi'nel walls of thefiogi v I fastening device gxtending'ghrough thepairs qfrggistetin'g 'bpeixiilgs'in ,the' box flap e-and box walls, an

'niduflnted m the; bpx 'imd kiwi disposed @9153; enga ged, an'd,' :866 mg, by the 55 do Y 3 1- 2- 5 31 12 the ifi thetbdglyg adapted (L D. PLATT d 1 switcfifloperating indie 1g 9. portion 5' 4.;A. switch box mmprpmgfnbx wagsediundkiiii bldx'body l 5- 1 

